docs: B1 boot entry check and the ISO's /var/log fix done; CEC driver download (GitHub 429) as the next item

TODO.md

@@ -74,10 +74,12 @@ Where the time goes: boot loader VMs ~3 min each, every suite block restores a s
 
 ## Found 2026-09-29 (first full run on the PC)
 
-- [ ] B1 check: the loader's own EFI boot entry exists, points to a real partition (not `HD(0,GPT,0000...)`)
+- [x] B1 check (share/bootloader-test/boot-check.sh, after every reboot; passes on all three): the loader's own EFI boot entry exists, points to a real partition (not `HD(0,GPT,0000...)`)
       and was used (`efibootmgr` `BootCurrent`); systemd-boot booted through the fallback path unnoticed
-- [ ] ISO: mount `@log` at `$ROOT/var/log` before `steamify-install` writes its logs (they end up hidden
-      under the mount); PR into `feat/steamify`
+- [x] ISO: mount `@log` at `$ROOT/var/log` before `steamify-install` writes its logs (PR #3 merged)
+- [ ] Steamify: the CEC driver comes from one download (raw.githubusercontent.com, no retry, no fallback);
+      a GitHub rate limit (HTTP 429, seen 2026-09-29 after a day of test installs) leaves CEC off. Ship the
+      pinned source with Steamify instead (steamify-cachyos, via a release branch)
 - [x] ISO: systemd-boot's EFI boot entry (efibootmgr from the live system), PR #2 merged
 - [x] vminstall.sh: a poweroff that drops ssh is no failure, wait only for its own VM, ISO loop device under
       a lock, never root as the guest user